Never Clean Your Gutters AgainGutter Guard Installation in Earlham, IA

Why water shoots over the guard in a downpour

A gutter that has handled every rain for years can suddenly overshoot after guards go on, and the reason is usually not a defective product. Water leaving a roof in a heavy rain has speed as well as volume, and the steeper the roof, the more of it. On an open gutter that fast-moving sheet drops into a trough and is caught by the back wall. Put a surface over the top and the same sheet now has something to skate across, and if it is moving fast enough it crosses the guard and leaves the front edge without ever turning down into the gutter. Products handle this differently: some are textured to slow the flow, some are set back under the drip line, some add a raised front lip. The fix is almost always geometry rather than replacement, which means adjusting how far forward the guard sits and how it meets the shingle edge. It is worth knowing this happens so it is not mistaken for a product that simply does not work.